AI Powered SaaS: Stripe + Auth + Billing + Deploy · 课时

实施结账会话

集成 Stripe Checkout，以安全地收集支付信息并处理一次性购买。

实施结账会话 是 CoddyKit 上的免费 AI Powered SaaS: Stripe + Auth + Billing + Deploy 课时。这是第 3 节课，共 4 节。你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。这是 AI Powered SaaS: Stripe + Auth + Billing + Deploy 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 AI Powered SaaS: Stripe + Auth + Billing + Deploy 课程共包含 4 节课。

本课时的部分内容尚未翻译，以英文显示。

Intro to Checkout Sessions

Welcome to integrating Stripe Checkout! This lesson will guide you through creating secure, hosted payment pages for one-time purchases.

Stripe Checkout simplifies payment collection by providing a pre-built, optimized, and secure payment flow.

Why Use Stripe Checkout?

Using Stripe Checkout offers several key advantages:

Security: Stripe handles sensitive card data, reducing your PCI compliance burden.
Optimized UI: It's designed for conversions, working great on desktop and mobile.
Speed: Quick integration means less development time for you.
Features: Supports various payment methods and fraud prevention out-of-the-box.

The Checkout Flow

Here's how a typical Stripe Checkout process works:

Your user clicks a 'Buy Now' button on your site.
Your backend server creates a Stripe Checkout Session.
Your frontend redirects the user to the Stripe-hosted payment page.
The user completes payment on Stripe.
Stripe redirects the user back to your site (to a success or cancel URL).

Server-Side Session Creation

The core of Stripe Checkout is creating a Checkout Session on your backend. This session tells Stripe what your customer is buying and where to redirect them after payment.

It's crucial to create this session on your server to keep your Stripe secret key secure.

Code: Backend Session (Java)

Here's a simplified example of how you might create a Checkout Session on your server using a Java-like syntax. Remember to replace placeholders with your actual Stripe Price ID and URLs.

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

// Imagine Stripe SDK is configured
class StripeCheckoutSession {
    public static Map<String, String> create(Map<String, Object> params) {
        System.out.println("Creating Stripe Checkout Session...");
        // In a real app, this calls Stripe API
        Map<String, String> result = new HashMap<>();
        result.put("id", "cs_test_123ExampleSessionID");
        result.put("url", "https://checkout.stripe.com/c/pay/cs_...");
        return result;
    }
}

public class Main {
    public static void main(String[] args) {
        List<Map<String, Object>> lineItems = new ArrayList<>();
        Map<String, Object> item = new HashMap<>();
        item.put("price", "price_123YourPriceID"); // Your Stripe Price ID
        item.put("quantity", 1);
        lineItems.add(item);

        Map<String, Object> params = new HashMap<>();
        params.put("mode", "payment");
        params.put("line_items", lineItems);
        params.put("success_url", "https://yourdomain.com/success?session_id={CHECKOUT_SESSION_ID}");
        params.put("cancel_url", "https://yourdomain.com/cancel");

        try {
            Map<String, String> session = StripeCheckoutSession.create(params);
            System.out.println("Session ID: " + session.get("id"));
            System.out.println("Redirect URL: " + session.get("url"));
        } catch (Exception e) {
            System.err.println("Error: " + e.getMessage());
        }
    }
}

Key Session Parameters

When creating a Checkout Session, these are essential parameters:

mode: Set to 'payment' for one-time purchases.
line_items: An array describing what the customer is buying (uses Stripe Price IDs).
success_url: The URL Stripe redirects to after a successful payment.
cancel_url: The URL Stripe redirects to if the user cancels or closes the window.

Understanding Line Items

The line_items array specifies the products and quantities. Each item needs a price and quantity.

price: This must be a Stripe Price ID (e.g., price_123abc), not just a currency amount. You create these in the Stripe Dashboard or via API (as covered in the previous lesson).
quantity: The number of units of that price.

Client-Side Redirection

Once your backend creates the Checkout Session and returns its id, your frontend JavaScript uses Stripe.js to redirect the user.

You'll need to load the Stripe.js library in your HTML and initialize it with your publishable key.

Code: Frontend Redirect (JS)

After getting the session ID from your server, your client-side code will look something like this. This snippet isn't runnable as a full program but shows the key JavaScript logic.

// First, load Stripe.js in your HTML:
// <script src="https://js.stripe.com/v3/"></script>

// Initialize Stripe with your publishable key
const stripe = Stripe('pk_test_YOUR_PUBLISHABLE_KEY');

// Function to trigger checkout
async function redirectToStripeCheckout(sessionId) {
  const { error } = await stripe.redirectToCheckout({
    sessionId: sessionId
  });

  if (error) {
    console.error("Stripe Checkout error:", error);
    // Handle error, e.g., show a message to the user
  }
}

// Example: Call this after your backend returns the session ID
// redirectToStripeCheckout('cs_test_123ExampleSessionID');

Quick Check

You've successfully set up a payment flow using Stripe Checkout. Which of the following parameters is NOT directly set when creating a Stripe Checkout Session on your backend for a one-time payment?

Recap & Next Steps

Great job! You've learned how to implement Stripe Checkout for one-time payments.

We covered creating a secure Checkout Session on your backend.
We explored the key parameters like mode, line_items, success_url, and cancel_url.
You saw how to redirect users from your frontend to the Stripe-hosted page.

Next, you'll learn how to handle more complex scenarios like subscriptions and processing asynchronous payment events using webhooks.

常见问题解答

「实施结账会话」课时是免费的吗？

是的 — 「实施结账会话」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 AI Powered SaaS: Stripe + Auth + Billing + Deploy 课程的其余内容，请升级到 CoddyKit PRO。 AI Powered SaaS: Stripe + Auth + Billing + Deploy 课程共包含 4 节课。

「实施结账会话」这节课中我会学到什么？

集成 Stripe Checkout，以安全地收集支付信息并处理一次性购买。你通过在浏览器中直接运行的动手代码来练习 AI Powered SaaS: Stripe + Auth + Billing + Deploy，全天候 AI 导师会在你学习这节课的过程中回答你的问题。

学习 AI Powered SaaS: Stripe + Auth + Billing + Deploy 需要有经验吗？

无需任何先前经验。CoddyKit 上的 AI Powered SaaS: Stripe + Auth + Billing + Deploy 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。这是第 3 节课，共 4 节。

「实施结账会话」课时需要多长时间？

大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。

我能在这节 AI Powered SaaS: Stripe + Auth + Billing + Deploy 课中编写并运行代码吗？

能。每节 AI Powered SaaS: Stripe + Auth + Billing + Deploy 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。

此课程中的所有课时

← 返回 AI Powered SaaS: Stripe + Auth + Billing + Deploy